import { buildMessage, ValidateBy } from '../common/ValidateBy';
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export const ARRAY_UNIQUE = 'arrayUnique';
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/**
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* Checks if all array's values are unique. Comparison for objects is reference-based.
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* If null or undefined is given then this function returns false.
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*/
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export function arrayUnique(array, identifier) {
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if (!Array.isArray(array))
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return false;
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if (identifier) {
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array = array.map(o => (o != null ? identifier(o) : o));
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}
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const uniqueItems = array.filter((a, b, c) => c.indexOf(a) === b);
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return array.length === uniqueItems.length;
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}
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/**
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* Checks if all array's values are unique. Comparison for objects is reference-based.
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* If null or undefined is given then this function returns false.
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*/
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export function ArrayUnique(identifierOrOptions, validationOptions) {
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const identifier = typeof identifierOrOptions === 'function' ? identifierOrOptions : undefined;
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const options = typeof identifierOrOptions !== 'function' ? identifierOrOptions : validationOptions;
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return ValidateBy({
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name: ARRAY_UNIQUE,
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validator: {
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validate: (value, args) => arrayUnique(value, identifier),
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defaultMessage: buildMessage(eachPrefix => eachPrefix + "All $property's elements must be unique", options),
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},
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}, options);
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}
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//# sourceMappingURL=ArrayUnique.js.map
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